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Titanoboa: Monster Snake

Through Nov. 26. Slithering in at 48 feet long and weighing an estimated one-and-a-half tons, a realistic replica of the world’s largest snake is on exhibit. The Smithsonian shares Titanoboa: Monster Snake, an exhibit of titanic proportions and its incredible story. The exhibit features a full-scale model of Titanoboa, casts of the original fossil vertebrae, and clips from the Smithsonian Channel documentary; it delves into the discovery, reconstruction, and implications of this enormous reptile. Discovered in a Colombian coal mine, scientists uncovered the 60 million-year-old remains of the largest snake in the history of the world, Titanoboa cerrejonensis. Tuesdays-Saturdays, 10 a.m.-5 p.m., Sundays, 11 a.m.-5 p.m., closed Mondays.